May, 1921 MARINE REVIEW 225 26 Peat nA] | ae ¢ . 3] z Fig. 26--Sectional construction of crank- case--Fig. 27--Automatic shutter-type connecting rod assembly--Fig. 28--Cylinder rotary valve chest--Fig. 29--Front view of connecting rod assembly--Fig. 30--Cylinder liner, cylinder jacket and cylinder head-- Fig. 31---Piston and piston-rod assembly.